Cursed energy is a type of divine energy gained through the Divination skill. It can be collected from cursed wisps, located in the Wilderness Volcano. It can also be obtained by converting cursed memories: each cursed memory products 3.9 cursed energy each. Enriched cursed memories convert to 5.2 cursed energy per memory. Cursed energy is tradeable to other players but not tradeable on the Grand Exchange.
It can be exchanged at a rate of 100:150 for any other kind of divine energy that the player has the Divination level to use. providing 150 experience per batch or 1.5 experience per cursed energy. The only exception to this rule is Elder Energy.